\begin{figure}[htb]
	\centering
	
	\begin{pdfpic}
\psframe[linewidth=0.04,dimen=outer](2.6,0.3)(0.0,-0.3)
\usefont{T1}{ptm}{m}{n}
\rput(0.7180078,0.005){Header}
\psframe[linewidth=0.04,dimen=outer](5.16,0.3)(2.56,-0.3)
\usefont{T1}{ptm}{m}{n}
\rput(3.3237696,0.005){Content}
	\end{pdfpic} 
	\caption{Network Packet Format}
	\label{fig:netpackformat}

\end{figure}